FR2324090B1 - - Google Patents

Info

Publication number
FR2324090B1
FR2324090B1 FR7627577A FR7627577A FR2324090B1 FR 2324090 B1 FR2324090 B1 FR 2324090B1 FR 7627577 A FR7627577 A FR 7627577A FR 7627577 A FR7627577 A FR 7627577A FR 2324090 B1 FR2324090 B1 FR 2324090B1
Authority
FR
France
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7627577A
Other languages
French (fr)
Other versions
FR2324090A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RCA Corp
Original Assignee
RCA Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB37848/75A external-priority patent/GB1552763A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of FR2324090A1 publication Critical patent/FR2324090A1/en
Application granted granted Critical
Publication of FR2324090B1 publication Critical patent/FR2324090B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/02Arrangements of heads
    • G11B3/10Arranging, supporting, or driving of heads or of transducers relatively to record carriers
    • G11B3/12Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse
    • G11B3/20Supporting in balanced, counterbalanced or loaded operative position during transducing, e.g. loading in direction of traverse by elastic means, e.g. spring
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44Styli, e.g. sapphire, diamond
    • G11B3/46Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
FR7627577A 1975-09-15 1976-09-14 PLAYBACK SUBJECT TO A SPRING-FORMING ELEMENT FOR VIDEODISC PLAYBACK Granted FR2324090A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB37848/75A GB1552763A (en) 1975-09-15 1975-09-15 Spring load stylus record playback apparatus
US05/667,307 US4077050A (en) 1975-09-15 1976-03-16 Video disc player employing a spring loaded stylus apparatus

Publications (2)

Publication Number Publication Date
FR2324090A1 FR2324090A1 (en) 1977-04-08
FR2324090B1 true FR2324090B1 (en) 1982-07-02

Family

ID=26263606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7627577A Granted FR2324090A1 (en) 1975-09-15 1976-09-14 PLAYBACK SUBJECT TO A SPRING-FORMING ELEMENT FOR VIDEODISC PLAYBACK

Country Status (11)

Country Link
JP (1) JPS5237004A (en)
AT (1) AT356918B (en)
CA (1) CA1087730A (en)
CH (1) CH608906A5 (en)
DE (1) DE2641560C2 (en)
DK (1) DK141796B (en)
ES (1) ES451541A1 (en)
FR (1) FR2324090A1 (en)
IT (1) IT1068498B (en)
NL (1) NL7610194A (en)
NZ (1) NZ182050A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252319A (en) * 1975-09-18 1977-04-27 Rca Corp Video disk reproducer
DE2641297C2 (en) * 1975-09-18 1984-01-26 RCA Corp., 10020 New York, N.Y. Device in an optical disc player for releasably securing the scanning arm
DE2641296C2 (en) * 1975-09-18 1984-05-10 Rca Corp., New York, N.Y. Device for scanning spirally recorded information with a spring-loaded scanning arm
SE409252B (en) * 1975-09-18 1979-08-06 Rca Corp SIGNAL PICKUP CARTRIDGE
US4337536A (en) * 1980-02-04 1982-06-29 Rca Corporation Flylead for a video disc stylus cartridge
JPS5932043Y2 (en) * 1980-11-21 1984-09-08 日本ビクター株式会社 Signal pickup device in playback equipment
US4404669A (en) * 1982-01-20 1983-09-13 Rca Corporation Stylus assembly
GB2120446A (en) * 1982-04-08 1983-11-30 Rca Corp Holding apparatus for a disc record signal pickup stylus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643886A (en) * 1948-09-25 1953-06-30 Alexander E Di Ghilini Arm for recording and reproducing apparatus
GB1460912A (en) * 1973-03-26 1977-01-06 Rca Corp Spring loaded stylus arm pivot
US3870835A (en) * 1973-04-16 1975-03-11 Rca Corp Stylus control apparatus for a video disc record player
US3873783A (en) * 1974-03-28 1975-03-25 Rca Corp Universal stylus arm pivot coupling
US3917903A (en) * 1974-11-12 1975-11-04 Rca Corp Detachable pickup arm magnetic coupling

Also Published As

Publication number Publication date
ES451541A1 (en) 1977-12-01
DK141796C (en) 1980-11-03
JPS5737921B2 (en) 1982-08-12
IT1068498B (en) 1985-03-21
DK141796B (en) 1980-06-16
NZ182050A (en) 1979-10-25
CA1087730A (en) 1980-10-14
JPS5237004A (en) 1977-03-22
DE2641560C2 (en) 1984-05-17
CH608906A5 (en) 1979-01-31
NL7610194A (en) 1977-03-17
DE2641560A1 (en) 1977-04-14
AT356918B (en) 1980-06-10
FR2324090A1 (en) 1977-04-08
DK413876A (en) 1977-03-16
ATA677776A (en) 1979-10-15

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Legal Events

Date Code Title Description
ST Notification of lapse